| Acronym | Meaning |
| GRINS | Graphical Interface To SMIL |
| GIF | Graphical Interchange Format |
| ESC | Escape Character |
| VRML | Virtual Reality Modeling Language |
| TOPS | Transparent Operating System |
| GMT | Greenwich Mean Time |
| ODBC | Open Database Connectivity |
| MCI | Media Control Interface |
| ACD | Automatic Call Distributor |
| PVC | Permanent Virtual Circuit |